Home / 247,386.56-341,386.71-137,001.38

Finding the Fourth Proportional to 247,386.56, 341,386.71 and 137,001.38

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Solution

The fourth proportional to 247,386.56, 341,386.71 and 137,001.38 is: 189,058.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,386.56 : 341,386.71 = 137,001.38 : x
  2. Step 2: Convert to fraction form
    247,386.56/341,386.71 = 137,001.38/x
  3. Step 3: Cross multiply
    247,386.56x = 341,386.71 × 137,001.38
  4. Step 4: Simplify right side
    247,386.56x = 46,770,450,383.66
  5. Step 5: Solve for x
    x = 46,770,450,383.66/247,386.56
  6. Step 6: Final answer
    x = 189,058.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.